标准编号:	GB/T 3246.1-2012
中文名称:	变形铝及铝合金制品组织检验方法 第1部分：显微组织检验方法
英文名称:	Inspection method for structure of wrought aluminum and aluminum alloy products Part 1 : Inspection method for microstructure
中标分类:	H24    金相检验方法
行业分类:	GB    国家标准
ICS分类:	77.040.99 77.040.99    金属材料的其他试验方法 77.040.99
发布机构:	国家质量监督检验检疫总局 国家标准化管理委员会
发布日期:	2012-12-16
实施日期:	2013-10-1
标准状态:	被替代
被新标准替代:	GB/T 3246.1-2024 变形铝及铝合金制品组织检验方法 第1部分：显微组织检验方法
被替代日期:	2024-10-1
替代旧标准:	GB/T 3246.1-2000 变形铝及铝合金制品组织检验方法 GB/T 3246.1-2024 变形铝及铝合金制品组织检验方法 第1部分：显微组织检验方法
翻译语言:	英文
文件格式:	PDF
中文字符数:	21000 字
翻译价格(元):	1000.00 元
交付时间:	付款后 1 个工作日

1 Scope



This part of GB/T 3246 specifies test solution, specimen preparation, etching, anodizing membrane preparation, structure inspection, determination of grain size and test report for microstructure inspection of aluminum and aluminum alloy ingot casting (or ingot blank), wrought aluminum and aluminum alloys plate, strip, foil, tube, bar, profile, line and forging (hereafter referred to as processed products).



This part is applicable to microstructure inspection of aluminum and aluminum alloy ingot casting (or ingot blank) and processed products.



2 Test Solution



2.1 Nitric acid solution (1+4).



2.2 Perchloric acid ethanol solution (1+9).



2.3 Nitric acid solution (1+2.5)~nitric acid solution (1+1).



2.4 No.1 Etchant: hydrofluoric acid solution (1+200).



2.5 No.2 Etchant: hydrofluoric acid solution (1+1).



2.6 No.3 Etchant: phosphoric acid solution (1+9).



2.7 No.4 Etchant: sulfuric acid solution (1+9) ~sulfuric acid solution (2+8).



2.8 No.5 Etchant: nitric acid solution (1+3).



2.9 No. 6 Etchant: uniform mixture of 2:3:5:190 hydrofluoric acid (ρ 1.15 g/mL): hydrochloric acid (ρ 1.19 g/mL): nitric acid (ρ 1.40 g/mL): water.



2.10 No. 7 Etchant: uniform mixture of 2:1:1:76 hydrofluoric acid (ρ 1.15 g/mL): hydrochloric acid (ρ 1.19 g/mL): nitric acid (ρ 1.40 g/mL): water.



2.11 No.8 Etchant: uniform mixture of 2:3:5:250 hydrofluoric acid (ρ 1.15 g/mL): hydrochloric acid (ρ 1.19 g/mL): nitric acid (ρ 1.40 g/mL): water.



2.12 Nitric acid solution (1+19) ~nitric acid solution (1+3).



2.13 Sulfuric acid - phosphoric acid solution: uniform mixture of 38:43:19 sulfuric acid (ρ 1.84 g/mL): phosphoric acid (ρ 1.70 g/mL): water.



2.14 Fluoboric acid solution (25 g/L).

Foreword i
1 Scope
2 Test Solution
3 Specimen Preparation
4 Specimen Etching
5 Anodizing Membrane Preparation
6 Structure Inspection
7 Determination of Grain Size
8 Test Report